CHEMISTRY HIGH SCHOOL

Mixtures have visibile ingredients.
Uniform
Heterogeneous
Solutes
Homogenous

Answers

Answer 1
Answer:

Answer: Heterogenous

Explanation:

A heterogenous mixture is one where the composition of matter is not uniform throughout.

Some examples of heterogenous mixtures include: chocolate chip cookies, salad dressing, strawberry yogurt

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how many moles of ammonium sulfate can be made from the reaction of 30.0 mol nh3 with h2so4 according to the following equation.

Answers

15.0 moles of ammonium sulfate are formed by the reaction of 30.0 moles of ammonia with sulfuric acid.

Let's consider the reaction between ammonia and sulfuric acid to produce ammonium sulfate.

2 NH₃ + H₂SO₄ ⇒ (NH₄)₂SO₄

The molar ratio of NH₃ to (NH₄)₂SO₄ is 2:1. The moles of (NH₄)₂SO₄ produced from 30.0 moles of NH₃ are:

30.0 mol NH_3 * (1mol(NH_4)_2SO_4)/(2molNH_3) = 15.0 mol(NH_4)_2SO_4

15.0 moles of ammonium sulfate are formed by the reaction of 30.0 moles of ammonia with sulfuric acid.

Learn more: brainly.com/question/9743981
The answer is 15.0 mol ammonium sulfate. This is a stoichiometric problem. For the calculations, please refer to the attachment.

CAN SOMEONE THATS GOOD AT CHEM PLEASE HELP ME?!?!I’LL GIVE 50 POINTS!!!
AND A BRAINIEST!!!

PLEASE I HAVE OTHER HW TO DO:(

Answers

Answer:

Explanation:

1. q=mcat

   q = (20)(4.184)( 30-20)

q = 836.8

Researchers have now been able to cool substances to absolute zero.
a. True
b. False

Answers

Answer:

The correct option is B) false.

Explanation:

Absolute zero is the point where it is not feasible to cool further.

The lowest possible temperature is 0 kelvin which is also known as absolute zero. In degrees its corresponds to –273.15 degrees Celsius.

it is not possible to reach or cool a substance to absolute zero although nearby temperatures can be reached.

Consider the provided statement.

Researchers have now been able to cool substances to absolute zero is a false statement.

The correct option is B) false.
This Answer Is False.

Which of the following most likely requires intermolecular forces?A.a spider walking on the bottom of a leaf
B.a rock maintaining its solid shape
C.a koala using claws to hold onto a tree

Answers

A rock maintaining its solid shape is one that required intermolecular forces. Thus, option (B) is correct.

What are the intermolecular forces?

Intermolecular forces are those forces that maintain chemical interactions between molecules of a substance and other types of particles present in the substance.

Rocks are constructed of different particles held together by various types of intermolecular forces depending on the kinds of particles present in the rock. Intermolecular forces can occur among molecules and other particles in a solid compound.

Intermolecular forces can either be attractive forces or repulsive forces. The molecules of opposite charges such as positive and negative charges can have attraction between them. While repulsion occurs between particles with similar charges such as between positive and positive charges.

The Intermolecular forces maintain the integrity of the structure of that compound. Intermolecular forces in compounds exist such as electrovalent bonds, covalent bonds, Vander Waals forces, hydrogen bonds, etc.

Learn more about Intermolecular forces, here:

brainly.com/question/9007693

#SPJ6

A spider walkng on the bottem of the leaf

The cheetah has been clocked at 112 km/Hr. What speed would this be in ft/sec?

Answers

All you have to do in convert two units. You need to know that there are 3600 seconds in an hour, and one kilometer is ~3,280.8399 feet. 3,280.8399 * 112 is equal to 367454.0688 feet per hour. Now divide it by 3600 to get it into seconds. That is equal to 102.07057466666667 feet per second. That's your answer.

What is produced as a lead-acid battery is discharged?a. Acid
c. Electrolytes
b. Lead sulfate
d. Zinc oxide

Answers

      Lead sulfate is produced as a lead acid battery is discharged. Hope this helped!

Answer:

b

Explanation:
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